- loggerhead⇄expr. at loggerheads, at enmity; disputing.
Ex. The politicians and the generals were at loggerheads over the advisability of ever starting the business (London Times). - loggerhead⇄loggerhead, noun.
1. a stupid person; blockhead.
2. Also, loggerhead turtle. a large-headed sea turtle of the tropical Atlantic and Pacific oceans. It is meat-eating.
3. an iron instrument with a long handle and a ball or bulb at the e